<template>
    <header id="head_top">
        <slot name='logo'></slot>
        <slot name='search'></slot>
        <section class="head_goback" v-if="goBack" @click="$router.go(-1)">
            <svg width="100%" height="100%" xmlns="http://www.w3.org/2000/svg" version="1.1">
                <polyline points="12,18 4,9 12,0" style="fill:none;stroke:rgb(255,255,255);stroke-width:2" />
            </svg>
        </section>
        <router-link :to="userInfo? '/profile':'/login'" v-if='signinUp' class="head_login">
            <svg class="user_avatar" v-if="userInfo">
                <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#user"></use>
            </svg>
            <span class="login_span" v-else>登录|注册</span>
        </router-link>
        <section class="title_head ellipsis" v-if="headTitle">
            <span class="title_text">{{headTitle}}</span>
        </section>
        <slot name="edit"></slot>
        <slot name="msite-title"></slot>
        <slot name="changecity"></slot>
        <slot name="changeLogin"></slot>
    </header>
</template>

<script>
import { mapState, mapActions } from 'vuex'
export default {
    data() {
        return {

        }
    },
    mounted() {
        //获取用户信息
        this.getUserInfo();

    },
    props: ['signinUp', 'headTitle', 'goBack'],
    computed: {
        ...mapState([
            'userInfo'
        ])
    },
    methods: {
        ...mapActions([
            'getUserInfo'
        ])
    },

}

</script>

<style lang="scss" scoped>
@import '../../style/mixin';

#head_top {
    background-color: $blue;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    @include wh(100%,1.95rem);
}

.head_goback {
    left: 0.4rem;
    @include wh(0.6rem, 1rem);
    line-height: 2.2rem;
    margin-left: .4rem;
}

.head_login {
    right: 0.55rem;
    @include sc(0.65rem, #fff);
    @include ct;
    .login_span {
        color: #fff;
    }
    .user_avatar {
        fill: #fff;
        @include wh(.8rem, .8rem);
    }
}
.title_head {
    @include center;
    width: 50%;
    color: #fff;
    text-align: center;
    .title_text {
        @include sc(0.8rem, #fff);
        text-align: center;
        font-weight: bold;
    }
}
</style>
